238034961011 has 2 divisors, whose sum is σ = 238034961012. Its totient is φ = 238034961010.

The previous prime is 238034960837. The next prime is 238034961023. The reversal of 238034961011 is 110169430832.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-238034961011 is a prime.

It is not a weakly prime, because it can be changed into another prime (238034961091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119017480505 + 119017480506.

It is an arithmetic number, because the mean of its divisors is an integer number (119017480506).

Almost surely, 2^238034961011 is an apocalyptic number.

238034961011 is a deficient number, since it is larger than the sum of its proper divisors (1).

238034961011 is an equidigital number, since it uses as much as digits as its factorization.

238034961011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 238034961011 in words is "two hundred thirty-eight billion, thirty-four million, nine hundred sixty-one thousand, eleven".